Definition of parathion
: an extremely toxic insecticide C10H14NO5PS
Recent Examples of parathion from the Web
The pesticides found in the highest amounts included chlorpyrifos, methyl parathion and DDT.
For example, a greenhouse worker in Germany who had been using parathion and had experienced mild symptoms of poisoning on a few such occasions suddenly became paralyzed several months afterward.
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Origin and Etymology of parathion
para- + thiophosphate + 1-on
First Known Use: 1947See Words from the same year
Medical Definition of parathion
: an extremely toxic thiophosphate insecticide C10H14NO5PS
Learn More about parathion
Britannica.com: Encyclopedia article about parathion
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